Mac tip: How many monitors does the Mac support – and which ones? | News

When it comes to screens, “a lot helps a lot” is often the case – rarely does anyone complain about too much display space in the workplace. A second or third monitor always finds a use, be it for additional palettes, the social media dashboard, calendar, reminders and/or mail. However, it is not always clear how many monitors your Mac supports and under what conditions. The RetinaDesk website offers intuitive tools to quickly explore the limits of your own (Apple Silicon) hardware.

A simple rule of thumb for Macs with an M chip: two screens are always possible. If the device has a monitor installed, at least another one can be connected. Mac mini, Studio and Pro accept at least two external displays, according to RetinaDesk. Depending on the year of publication and version, there are differences in the permitted quantity and maximum resolution and refresh rate. For example, the latest iMac M4 version with four USB-C ports supports two external 6K displays at 60 Hz (or alternatively one 8K monitor).

Up to eight external monitors
With Apple’s portable Macs, the options depend heavily on the equipment: the MacBook Pro M5 introduced in 2025 no longer requires two external monitors, the M5 Pro variant introduced in 2026 allows three external 6K-60Hz screens. If an M5 Max is installed, the MacBook Pro even allows four of them. Mac Pro and Studio (Ultra) allow up to eight external displays (or 4 8K monitors).

Maximum number of monitors on the Mac

chip	M1	M2	M3	M4	M5	A18 Pro
Mac mini	2	2; Per 3		3
Mac Studio	5	5; Ultra 8		5; Ultra 8
Mac Pro		8
iMac	1		1	1; 4 port 2
MacBook Neo						1
MacBook Air 13”	1	1	2	2	2
MacBook Air 15”		1	2	2	2
MacBook Pro 13”	1	1
MacBook Pro 14”	Pro 2, Max 4	Pro 2, Max 4	2, Max 4	2, Max 4	2, Pro 3, Max 4
MacBook Pro 16”	Pro 2, Max 4	2 (Max: 4)	2, Max 4	2, Max 4	2, Pro 3, Max 4

(Source: RetinaDesk)

Config simulator
On the interactive RetinaDesk website, you can select your Mac and try it out with different monitors, such as clicking on an existing screen to see what options are available for another one. Another helpful tool is the Retina Checker, which calculates the resolution per inch and assesses how suitable it is for macOS. The advice: At 27 inches it should be 5K for macOS to avoid fractional scaling.

Unofficially, more is often possible
With the help of additional hardware, external graphics cards or compromises in the refresh rate, the official maximum screen specifications can be avoided in some cases. In this case, however, you should not rely on the stability of the construct. The most recent example is the MacBook Neo, which is currently not included in the offer. Officially, MacBook Neo supports an external 4K display via the left USB port. However, hobbyists have already managed to connect up to four screens at the same time to the entry-level device with the A18 chip: three monitors via an adapter chain plus an iPad via SideCar.